"A carefully revised and improved edition of three ... essays [pub. 1875-77] gathered into one collection."
v. 1, pt. 1. Notes on Chinese medival travellers to the west. pt. 2. Notices of the medival geography and history of central and western Asia.--v. 2, pt. 3. Explanation of a Mongol-Chinese medival map of central and western Asia. pt. 4. Chinese intercourse with the countries of central and western Asia during the fifteenth and sixteenth centuries